:root {
  --color-bg: #070707;
  --color-bg-alt: #181818;
  --color-bg-secondary: #1f1f1f;
  --color-fg: #fafafa;
  --color-fg-muted: #888888;
  --color-accent: #3068ff;
  --color-accent-hover: rgba(55, 108, 255, 0.604);
  --color-card: #111111;
  --color-border: #222222;
  --color-border-hover: #333333;
  --color-focus: rgba(59, 130, 246, 0.55);
  --color-border-hover-accent: #2a2a4a;
  --color-scrollbar-thumb: rgba(59, 130, 246, 0.6);
  --color-scrollbar-thumb-hover: rgba(59, 130, 246, 0.8);
  --color-focus-ring: rgba(59, 130, 246, 0.2);
  --glass-bg: rgba(17, 17, 17, 0.55);
  --glass-border: rgba(250, 250, 250, 0.1);
  --glass-blur: 14px;
  --glass-saturate: 1.2;
  --nav-height: 48px;
  --nav-top: 8px;
  --width-container: 1080px;
  --container-padding: clamp(16px, 4vw, 28px);
  --section-space: 28px;
  --section-gap: 16px;
  --space-0: 0px;
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-5: 40px;
  --space-6: 48px;
  --space-8: 64px;
  --space-10: 80px;
  --space-12: 96px;
  --font-display: "Inter", "Arial", "Helvetica", "sans-serif";
  --font-body: "Inter", "Arial", "Helvetica", "sans-serif";
  --font-size-xs: 0.65rem;
  --font-size-sm: 0.75rem;
  --font-size-base: 0.875rem;
  --font-size-lg: 1rem;
  --font-size-xl: 1.1rem;
  --font-size-2xl: 1.25rem;
  --font-size-3xl: 1.5rem;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-full: 999px;
  --shadow-sm: 0 6px 18px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --shadow-nav-bottom: 0 -4px 20px rgba(0, 0, 0, 0.1);
  --animation-fast: 0.2s;
  --animation-smooth: 0.4s;
  --animation-bounce: 0.6s;
  --animation-instant: 0.001ms;
  --ease-fast: var(--animation-fast) ease;
  --ease-smooth: var(--animation-smooth) cubic-bezier(0.4, 0, 0.2, 1);
  --ease-bounce: var(--animation-bounce) cubic-bezier(0.16, 1, 0.3, 1);
  --ease-instant: var(--animation-instant);
  --transform-full-hide: translateY(-100%);
  --transform-full-show: translateY(0);
  --transform-below-screen: translateY(calc(100vh + 100%));
  --size-xs: 16px;
  --size-sm: 18px;
  --size-md: 20px;
  --size-lg: 24px;
  --size-xl: 32px;
  --size-2xl: 36px;
  --size-3xl: 40px;
  --border-width: 1px;
  --border-width-thick: 4px;
  --focus-outline: 3px;
  --focus-radius: 10px;
  --blur-sm: 14px;
  --blur-md: 30px;
  --blur-lg: 60px;
  --blur-xl: 120px;
  --grid-size: 28px;
  --grid-dot-size: 1.5px;
  --grid-opacity: 0.08;
  --z-nav: 100;
  --z-dropdown: 9999;
  --z-blob: -1;
  --z-grid: -2;
  --z-modal: 1000;
  --modal-max-width: 800px;
  --modal-max-width-small: 380px;
  --color-modal-accent-bg: #1a1a2e;
  --color-modal-handle: rgba(136, 136, 136, 0.4);
}
[data-theme="light"] {
  --color-bg: #f4f4f2;
  --color-bg-alt: #eaeae8;
  --color-bg-secondary: #ffffff;
  --color-fg: #0d0d0d;
  --color-fg-muted: #666666;
  --color-card: #ffffff;
  --color-border: #e0e0e0;
  --color-border-hover: #d1d5db;
  --color-focus: rgba(37, 99, 235, 0.55);
  --color-border-hover-accent: #d4d4f0;
  --color-scrollbar-thumb: rgba(37, 99, 235, 0.6);
  --color-scrollbar-thumb-hover: rgba(37, 99, 235, 0.8);
  --color-focus-ring: rgba(37, 99, 235, 0.2);
  --glass-bg: rgba(255, 255, 255, 0.55);
  --glass-border: rgba(13, 13, 13, 0.1);
  --color-modal-accent-bg: #fafbff;
  --color-modal-handle: rgba(102, 102, 102, 0.4);
}
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-display);
  background-color: var(--color-bg);
  color: var(--color-fg);
  line-height: 1.5;
  transition: background-color var(--ease-smooth), color var(--ease-smooth);
  overflow-x: hidden;
  position: relative;
}
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
  border-radius: 3px;
  margin: 0;
}
::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 3px;
  transition: background-color 0.2s ease;
  min-height: 20px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-fg-muted);
}
::-webkit-scrollbar-thumb:active {
  background: var(--color-accent);
}
html {
  scrollbar-width: thin;
  scrollbar-color: var(--color-border) transparent;
}
a {
  color: inherit;
}
:where(a, button, input, [role="button"], [tabindex]):focus-visible {
  outline: var(--focus-outline) solid var(--color-focus);
  outline-offset: var(--focus-outline);
  border-radius: var(--focus-radius);
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms;
    animation-iteration-count: 1;
    transition-duration: 0.001ms;
  }
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: radial-gradient(
    var(--color-fg) var(--grid-dot-size),
    transparent var(--grid-dot-size)
  );
  background-size: var(--grid-size) var(--grid-size);
  opacity: var(--grid-opacity);
  z-index: -2;
  pointer-events: none;
}
.page-container {
  max-width: var(--width-container);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
  width: 100%;
}
.section {
  padding-top: var(--section-space);
  padding-bottom: var(--section-space);
}
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 100;
  display: flex;
  align-items: center;
  pointer-events: auto;
  background: transparent;
  transition: transform 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94),
    opacity 0.15s ease;
  will-change: transform, opacity;
  transform: var(--transform-full-show);
}
.nav.nav-hidden {
  transform: var(--transform-full-hide);
}
.nav.nav-visible {
  transform: var(--transform-full-show);
}
.nav.nav-sliding-to-bottom {
  transform: var(--transform-below-screen);
}
.nav.nav-sliding-to-top {
  transform: var(--transform-full-hide);
}
.nav.nav-bottom {
  transform: translateY(
    calc(100vh - var(--nav-height) - env(safe-area-inset-bottom, 0px))
  );
}
.nav.nav-bottom .nav-inner {
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  border-top-color: var(--color-border);
  border-bottom-color: transparent;
  box-shadow: var(--shadow-nav-bottom);
}
.nav.nav-scrolled .nav-inner {
  box-shadow: var(--shadow-md);
}
.nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  max-width: var(--width-container);
  margin-left: auto;
  margin-right: auto;
  height: var(--nav-height);
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
  pointer-events: auto;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-top-color: transparent;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  transition: border-color var(--ease-smooth), border-radius var(--ease-smooth),
    box-shadow var(--ease-smooth);
  position: relative;
  overflow: hidden;
}
.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  text-decoration: none;
}
.logo-bracket {
  color: var(--color-accent);
  font-weight: 300;
  text-decoration: none;
}
.nav-progress-bar {
  position: absolute;
  top: 0;
  left: 0;
  height: var(--focus-outline);
  background: var(--color-accent);
  width: 0%;
  transition: width 0.1s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  will-change: width;
}
.nav.nav-bottom .nav-progress-bar {
  top: auto;
  bottom: 0;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: var(--font-size-sm);
  text-decoration: none;
  text-align: center;
  border: var(--border-width) solid;
  cursor: pointer;
  transition: all var(--ease-fast);
  background: var(--color-card);
  color: var(--color-fg);
  border-color: var(--color-border);
}
.btn:hover {
  box-shadow: var(--shadow-sm);
}
.btn:focus-visible {
  outline: var(--focus-outline) solid var(--color-focus);
  outline-offset: var(--focus-outline);
}
.btn-ghost {
  background: transparent;
  color: var(--color-fg);
  border-color: var(--color-border);
}
.btn-ghost:hover {
  background: var(--color-fg);
  border-color: var(--color-fg);
  color: var(--color-bg);
}
.btn-icon {
  width: var(--size-2xl);
  height: var(--size-2xl);
  padding: 0;
  gap: 0;
}
.btn-compact {
  padding: var(--space-1) var(--space-2);
  font-size: var(--font-size-sm);
}
.btn-group {
  display: flex;
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.btn-group .btn {
  border-radius: 0;
  border-color: transparent;
}
.btn-group .btn:first-child {
  border-top-left-radius: var(--radius-sm);
  border-bottom-left-radius: var(--radius-sm);
}
.btn-group .btn:last-child {
  border-top-right-radius: var(--radius-sm);
  border-bottom-right-radius: var(--radius-sm);
}
.btn-group .btn.active {
  background: var(--color-fg);
  color: var(--color-bg);
}
.btn-group .btn:not(.active):hover {
  background: var(--color-accent);
  color: white;
}
.btn-toggles {
  padding: var(--space-1) var(--space-2);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  background: var(--color-card);
  color: var(--color-fg-muted);
  transition: all var(--ease-fast);
  border: none;
  cursor: pointer;
}
.btn-toggles.active {
  background: var(--color-fg);
  color: var(--color-bg);
}
.btn-toggle {
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  width: var(--size-xl);
  height: var(--size-xl);
  cursor: pointer;
  transition: all var(--ease-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-fg-muted);
}
.btn-toggle:hover {
  border-color: var(--color-border-hover);
  color: var(--color-fg);
}
.btn-toggle.active {
  background-color: var(--color-fg);
  border-color: var(--color-fg-muted);
  color: var(--color-bg);
}
.btn-toggle.disabled,
.btn-toggle.active.disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
  background-color: transparent;
  border-color: var(--color-border);
  color: var(--color-fg-muted);
}
.btn-toggle svg {
  display: block;
}
.social-link {
  width: var(--size-3xl);
  height: var(--size-3xl);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-alt);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: all var(--ease-fast);
  text-decoration: none;
  color: inherit;
}
.social-link:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: white;
}
.social-link img {
  width: var(--size-sm);
  height: var(--size-sm);
  filter: brightness(0);
  transition: filter var(--ease-fast);
}
[data-theme="dark"] .social-link img {
  filter: brightness(0) invert(1);
}
.social-link:hover img {
  filter: brightness(0) invert(1);
}
.social-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--size-sm);
  height: var(--size-sm);
}
.social-icon svg {
  width: 100%;
  height: 100%;
  fill: currentColor;
}
.scroll-top-btn {
  width: var(--size-xl);
  height: var(--size-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-fg);
  color: var(--color-bg);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--ease-fast);
  display: none;
}
.scroll-top-btn.visible {
  display: flex;
}
.scroll-top-btn:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: white;
}
.hero {
  min-height: 50vh;
  display: flex;
  align-items: flex-end;
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 5rem);
  font-weight: 700;
  line-height: 0.9;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-3);
}
.hero-subtitle {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--space-2);
}
.hero-desc {
  font-size: 1rem;
  color: var(--color-fg-muted);
  max-width: 540px;
  white-space: pre-line;
}
.footer {
  text-align: center;
  padding: var(--space-12) 0 var(--space-16);
  margin-top: var(--space-16);
}
.footer-content {
  max-width: 600px;
  margin: 0 auto;
}
.footer-goodbye {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: var(--space-4);
}
.footer-copyright {
  font-size: 0.8rem;
  opacity: 0.6;
  margin-bottom: var(--space-8);
}
.grid {
  display: grid;
}
.grid-cols-12 {
  grid-template-columns: repeat(12, minmax(0, 1fr));
}
.col-span-8 {
  grid-column: span 8 / span 8;
}
.col-span-4 {
  grid-column: span 4 / span 4;
}
.gap-10 {
  gap: 2.5rem;
}
.gap-4 {
  gap: 1rem;
}
.gap-2 {
  gap: 0.5rem;
}
.gap-3 {
  gap: 0.75rem;
}
.flex {
  display: flex;
}
.flex-col {
  flex-direction: column;
}
.items-end {
  align-items: flex-end;
}
.items-center {
  align-items: center;
}
#hero-about-btn {
  background: var(--color-accent);
  color: white;
  height: 44px;
  width: 120px;
}
#hero-about-btn:hover {
  background: transparent;
  color: var(--color-accent);
  border-color: var(--color-accent);
}
#social-links {
  display: flex;
  gap: var(--space-1);
  flex-wrap: wrap;
  justify-content: flex-end;
}
.hero .grid {
  align-items: flex-end;
}
@media (max-width: 768px) {
  .hero {
    min-height: 50vh;
    padding-top: var(--space-12);
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .hero .page-container {
    padding-left: var(--space-3);
    padding-right: var(--space-3);
    text-align: center;
  }
  .hero .grid {
    grid-template-columns: 1fr;
    gap: var(--space-2);
    max-width: 100%;
    overflow-x: visible;
    align-items: center;
    width: 100%;
    margin: 0 auto;
  }
  .hero .col-span-8,
  .hero .col-span-4 {
    grid-column: span 1;
    text-align: center;
    max-width: 100%;
  }
  .hero .flex.flex-col.items-end {
    align-items: center;
  }
  .hero .flex.gap-2 {
    justify-content: center;
    flex-wrap: wrap;
  }
  .hero-title {
    font-size: clamp(3rem, 6vw, 5rem);
  }
  .hero-subtitle {
    font-size: 1.2rem;
  }
  .hero-desc {
    font-size: 0.9rem;
    max-width: 100%;
  }
}
.section-card {
  padding: var(--space-0);
  position: relative;
  overflow: visible;
}
.section-card:hover {
  border-color: var(--color-border-hover-accent);
}
@media (max-width: 768px) {
  .section-card::before {
    width: 100%;
    height: 100%;
    mask-image: linear-gradient(
      to bottom,
      black 70%,
      transparent 100%
    );
    -webkit-mask-image: linear-gradient(
      to bottom,
      black 70%,
      transparent 100%
    );
  }
}
.nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  overflow: visible;
}
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 200px;
  color: var(--color-fg-muted);
}
.loading::after {
  content: "";
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-left: var(--space-2);
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}
.error-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 200px;
  text-align: center;
  padding: var(--space-8);
  color: var(--color-fg-muted);
}
.error-icon {
  font-size: 3rem;
  margin-bottom: var(--space-4);
}
.error-state h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--color-fg);
}
.error-state p {
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: var(--space-4);
  max-width: 400px;
}
.settings-dropdown {
  position: relative;
  z-index: 9999;
}
.settings-btn {
  background: var(--color-bg-secondary);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-fg);
  padding: var(--space-1) var(--space-1);
  font-size: var(--font-size-sm);
  display: flex;
  align-items: center;
  gap: var(--space-1);
  cursor: pointer;
  transition: all var(--ease-fast);
  outline: none;
}
.settings-btn:hover {
  border-color: var(--color-accent);
}
.settings-btn:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 var(--focus-outline) var(--color-focus-ring);
}
.settings-dropdown-menu {
  position: absolute;
  top: 100%;
  right: 0;
  background: var(--color-card);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  min-width: 220px;
  z-index: 10000;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--ease-fast);
  margin-top: 4px;
  max-height: 80vh;
  overflow-y: auto;
}
.settings-dropdown-menu.dropdown-up {
  top: auto;
  bottom: 100%;
  margin-top: 0;
  margin-bottom: 4px;
  transform: translateY(10px);
}
.settings-dropdown.active .settings-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.settings-dropdown.active .settings-dropdown-menu.dropdown-up {
  transform: translateY(0);
}
.settings-option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-1) var(--space-2);
  cursor: pointer;
  transition: background-color var(--ease-fast);
  border-bottom: var(--border-width) solid var(--color-border);
}
.settings-option:last-child {
  border-bottom: none;
}
.settings-option:hover {
  background: var(--color-bg-alt);
}